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High resolution timing

はじめに

The HRTime extension implements a high resolution StopWatch class. It uses the best possible APIs on different platforms which brings resolution up to nanoseconds. It also makes possible to implement a custom stopwatch using low level ticks delivered by the underlying APIs.

注意:

As of PHP 7.3.0 the related function hrtime() is part of the core.

関連キーワード:
HRTime   StopWatch   resolution   PerformanceCounter   インターバル   経過   High   timing   ticks   APIs   ティック   時間   最後   time   measurement   Unit   DateMalformedStringException   日付   時刻   関連   extension   implements   high   uses   best
関連する関数・ページ:
class.hrtime-stopwatch   hrtime-stopwatch.getlastelapsedtime   hrtime-stopwatch.getelapsedtime   hrtime-stopwatch.getlastelapsedticks   hrtime-stopwatch.getelapsedticks   hrtime-stopwatch.stop